La sonrisa del Diablo (English: The Devil's Smile) is a Mexican telenovela directed by Arturo Ripstein and produced by Ernesto Alonso for Televisa in 1992.
Déborah San Román is an attractive and ambitious young woman who does not distinguish between good and evil and stops at nothing, not even crime, to achieve her goals; She always sows destruction, suicides, moral and economic misery in her wake.
Rafael is the owner of a famous antique store that he uses as a cover to sell stolen and contraband items with the intention of providing his brother with economic security, medical services and studies, since he is disabled as a result of a traffic accident that he caused.
During one of Rafael's frequent trips to the US border, Deborah meets Salvador Esparza, the man her sister, Laura, has fallen in love with.
Laura, devastated by losing Salvador's love, tries to return to her town, but suffers an accident that leaves her amnesiac, and during that stage she enters a world until then unknown to her.